base/shell/explorer/trayclock.h

   1 #pragma once
   2
   3 const struct
   4 {
   5     BOOL IsTime;
   6     DWORD dwFormatFlags;
   7     LPCWSTR lpFormat;
   8 } ClockWndFormats[] = {
   9     { TRUE, 0, NULL },
  10     { FALSE, 0, L"dddd" },
  11     { FALSE, DATE_SHORTDATE, NULL }
  12 };
  13 const UINT ClockWndFormatsCount = _ARRAYSIZE(ClockWndFormats);
  14
  15 #define CLOCKWND_FORMAT_COUNT ClockWndFormatsCount
  16
  17 extern const WCHAR szTrayClockWndClass[];
  18 class CTrayClockWnd :
  19     public CComObjectRootEx<CComMultiThreadModelNoCS>,
  20     public CWindowImpl < CTrayClockWnd, CWindow, CControlWinTraits >
  21 {
  22     HWND hWndNotify;
  23     HFONT hFont;
  24     COLORREF textColor;
  25     RECT rcText;
  26     SYSTEMTIME LocalTime;
  27
  28     union
  29     {
  30         DWORD dwFlags;
  31         struct
  32         {
  33             DWORD IsTimerEnabled : 1;
  34             DWORD IsInitTimerEnabled : 1;
  35             DWORD LinesMeasured : 1;
  36             DWORD IsHorizontal : 1;
  37         };
  38     };
  39     DWORD LineSpacing;
  40     SIZE CurrentSize;
  41     WORD VisibleLines;
  42     SIZE LineSizes[CLOCKWND_FORMAT_COUNT];
  43     WCHAR szLines[CLOCKWND_FORMAT_COUNT][48];
  44
  45 public:
  46     CTrayClockWnd();
  47     virtual ~CTrayClockWnd();
  48
  49 private:
  50     LRESULT OnThemeChanged();
  51     LRESULT OnThemeChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  52
  53     BOOL MeasureLines();
  54     WORD GetMinimumSize(IN BOOL Horizontal, IN OUT PSIZE pSize);
  55     VOID UpdateWnd();
  56     VOID Update();
  57     UINT CalculateDueTime();
  58     BOOL ResetTime();
  59     VOID CalibrateTimer();
  60     LRESULT OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  61     LRESULT OnPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  62     VOID SetFont(IN HFONT hNewFont, IN BOOL bRedraw);
  63     LRESULT DrawBackground(HDC hdc);
  64     LRESULT OnEraseBackground(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  65     LRESULT OnTimer(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  66     LRESULT OnGetMinimumSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  67     LRESULT OnNcHitTest(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  68     LRESULT OnSetFont(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  69     LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  70     LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  71     LRESULT OnTaskbarSettingsChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  72     LRESULT OnNcLButtonDblClick(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  73
  74 public:
  75     DECLARE_WND_CLASS_EX(szTrayClockWndClass, CS_DBLCLKS, COLOR_3DFACE)
  76
  77     BEGIN_MSG_MAP(CTrayClockWnd)
  78         MESSAGE_HANDLER(WM_CREATE, OnCreate)
  79         MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
  80         MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
  81         MESSAGE_HANDLER(WM_SIZE, OnSize)
  82         MESSAGE_HANDLER(WM_PAINT, OnPaint)
  83         MESSAGE_HANDLER(WM_PRINTCLIENT, OnPaint)
  84         MESSAGE_HANDLER(WM_THEMECHANGED, OnThemeChanged)
  85         MESSAGE_HANDLER(WM_TIMER, OnTimer)
  86         MESSAGE_HANDLER(WM_NCHITTEST, OnNcHitTest)
  87         MESSAGE_HANDLER(WM_SETFONT, OnSetFont)
  88         MESSAGE_HANDLER(TCWM_GETMINIMUMSIZE, OnGetMinimumSize)
  89         MESSAGE_HANDLER(TWM_SETTINGSCHANGED, OnTaskbarSettingsChanged)
  90         MESSAGE_HANDLER(WM_NCLBUTTONDBLCLK, OnNcLButtonDblClick)
  91     END_MSG_MAP()
  92
  93     HWND _Init(IN HWND hWndParent);
  94 };